<template>
    <div class="sidebar" style='width:200px;top:0px;'>
        <div style="height:93%;width:86.5%;float:right" class="content">a<router-view/></div>
        <el-menu
            class="sidebar-el-menu"
            :default-active="onRoutes"
            :collapse="collapse"
            background-color="#324157"
            text-color=black
            active-text-color="#20a0ff"
            unique-opened
            router
        >
            <template v-for="item in items">
                <template v-if="item.subs">
                    <el-submenu :index="item.index" :key="item.index">
                        <template slot="title">
                            <i :class="item.icon"></i>
                            <span slot="title">{{ item.title }}</span>
                        </template>
                        <template v-for="subItem in item.subs">
                            <el-submenu
                                v-if="subItem.subs"
                                :index="subItem.index"
                                :key="subItem.index"
                            >
                                <template slot="title">{{ subItem.title }}</template>
                                <el-menu-item
                                    v-for="(threeItem,i) in subItem.subs"
                                    :key="i"
                                    :index="threeItem.index"
                                >{{ threeItem.title }}</el-menu-item>
                            </el-submenu>
                            <el-menu-item
                                v-else
                                :index="subItem.index"
                                :key="subItem.index"
                            >{{ subItem.title }}</el-menu-item>
                        </template>
                    </el-submenu>
                </template>
                <template v-else>
                    <el-menu-item :index="item.index" :key="item.index">
                        <i :class="item.icon"></i>
                        <span slot="title">{{ item.title }}</span>
                    </el-menu-item>
                </template>
            </template>
        </el-menu>
    </div>
</template>

<script>
import bus from '../common/bus';
export default {
    data() {
        return {
            collapse: false,
            items: [
                {
                    icon: 'el-icon-lx-cascades',
                    index: 'table_sxt1',
                    title: '项11目库'
                },
                {
                    icon: 'el-icon-folder-opened',
                    index: 'table_sxt1',
                    title: '项目源22'
                },
                {
                    icon: 'el-icon-s-claim',
                    index: 'table_sxt1',
                    title: '打卡管33理'
                },
                {
                    icon: 'el-icon-video-camera',
                    index: 'table_sxt1',
                    title: '实时监控'
                }
            ]
        };
    },
    computed: {
        onRoutes() {
            return this.$route.path.replace('/', '');
        }
    },
    created() {
        setTimeout(function () { setSideStyle() }
        ,10)
        // 通过 Event Bus 进行组件间通信，来折叠侧边栏
        bus.$on('collapse', msg => {
            this.collapse = msg;
            bus.$emit('collapse-content', msg);
        });
    }
};
function setSideStyle(){
    var obj = $('.sidebar').children('ul').children('li');
    if(($(obj[0]).css('text-align')!='center')){
    for (var i = 0; i < obj.length; i++){
        $(obj[i]).css('text-align','center');
        $(obj[i]).css('line-height','17px');
        $(obj[i]).css('padding-top','10px');
        $(obj.eq(i).children('i').css('margin-right','0'))
        var objSbu = obj.eq(i).children('span');
        objSbu.html(('<br>' + objSbu.html()));
        console.log(objSbu.html());
    }
    }
    else{
        setTimeout(function () { setSideStyle() }
        ,10)
    }
}
</script>

<style >
.el-icon-ice-cream-square{
    background-image: url('../../assets/img/项目源.png') !important;
    background-size: 100% 100%;
}
.el-icon-ice-cream-square::before{
    visibility: hidden;
}
.el-icon-lollipop{
    background-image: url('../../assets/img/打卡监管.png') !important;
    background-size: 100% 100%;
}
.el-icon-lollipop::before{
    visibility: hidden;
}
.el-icon-potato-strips{
    background-image: url('../../assets/img/实时监控.png') !important;
    background-size: 100% 100%;
}
.el-icon-potato-strips::before{
    visibility: hidden;
}
.sidebar-el-menu{
    background-color: #e6e6ee !important
}
.el-menu-item{
    background-color: #e6e6ee !important;
    /* padding: 10px 26px; */
    /* padding-left: 0px !important; */
    /* text-align: center; */
    
}
.sidebar {
    display: block;
    position: absolute;
    left: 0px !important;
    top: 0px !important;
    bottom: 0;
    overflow-y: scroll;
}
.sidebar::-webkit-scrollbar {
    width: 0;
}
.sidebar-el-menu:not(.el-menu--collapse) {
    width: 200px !important;
}
.sidebar > ul {
    height: 100%;
}
.el-menu-item.is-active{
    background-color: white !important;
}
</style>
